Home / 82,344,867,840.27-122,962,790,140.47-67,248,385,165.89

Finding the Fourth Proportional to 82,344,867,840.27, 122,962,790,140.47 and 67,248,385,165.89

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Solution

The fourth proportional to 82,344,867,840.27, 122,962,790,140.47 and 67,248,385,165.89 is: 100,419,726,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344,867,840.27 : 122,962,790,140.47 = 67,248,385,165.89 : x
  2. Step 2: Convert to fraction form
    82,344,867,840.27/122,962,790,140.47 = 67,248,385,165.89/x
  3. Step 3: Cross multiply
    82,344,867,840.27x = 122,962,790,140.47 × 67,248,385,165.89
  4. Step 4: Simplify right side
    82,344,867,840.27x = 8,269,049,072,438,828,072,960
  5. Step 5: Solve for x
    x = 8,269,049,072,438,828,072,960/82,344,867,840.27
  6. Step 6: Final answer
    x = 100,419,726,077.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.